上颌正中埋伏多生牙95例的临床分析及治疗体会

Management of Impacted Supernumerary Maxillary Teeth in Children

目的：总结儿童上颌正中埋伏多生牙的临床特点，探索拔除方法。方法：对2008--2010年间收治的95例儿童上颌正中埋伏多生牙病例的特点及治疗进行分析。结果：95例患者共120颗埋伏多生牙．均位于上颌两中切牙之间。年龄7-14岁，男女比例为3．75：1。其腭侧发病率为89．2％，远高于唇侧。所有患儿均于局麻下顺利拔除埋伏多生牙。结论：埋伏多生牙的拔除，术前的准确定位、术前和术中对患儿的心理诱导、良好的局部麻醉效果、合理的手术切口设计及轻柔精准的操作技巧为必备因素。

Objective： To summarize clinical managements of impacted supernumerary maxillary teeth in children. Methods： A retrospective audit was conducted to estimate the prevalence, status, and managements of impacted maxillary teeth. The study population consisted of 95 children in 2008--2010. Results： 120 supernumerary teeth in the 95 case were found locating between the maxillary central incisors. Upper front supernumerary teeth often occurred in dentition of children usually at age 7-14. The ratio of male to female was 3.75：1. And 89.2% of the impacted teeth were located palately. All teeth were successful extracted through exelcymosis in local anesthesia. Conclusion： Appropriate intervention of impacted teeth includes accurate position, psychological care, good anesthesia, incision design and soft manipulation.